Home / 39,889.32-59,851.26-21,417

Finding the Fourth Proportional to 39,889.32, 59,851.26 and 21,417

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Solution

The fourth proportional to 39,889.32, 59,851.26 and 21,417 is: 32,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.32 : 59,851.26 = 21,417 : x
  2. Step 2: Convert to fraction form
    39,889.32/59,851.26 = 21,417/x
  3. Step 3: Cross multiply
    39,889.32x = 59,851.26 × 21,417
  4. Step 4: Simplify right side
    39,889.32x = 1,281,834,435.42
  5. Step 5: Solve for x
    x = 1,281,834,435.42/39,889.32
  6. Step 6: Final answer
    x = 32,134.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.